this post was submitted on 16 Nov 2023
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Hyper threading is off, Pcores are at 5.7ghz when 3 cores are loaded, 5.6ghz all core with p cores' 5 and 6 limited to 5.5ghz always. Ecores are at 4.5ghz always, ring frequency is at 4.9ghz. Cinebench r23 multicore power usage is at almost exactly 200w on the dot so nothing too bad power wise either.
Try 5.8/5.6/5.5 with OCTVB break points at 60C and 70C.
I may try 5.8 on the two pcores I used to have that at 20mv lower but I was clock stretching and getting mild instability, geekbench was also giving me about 100 less single core for reference so i am actually getting more performance with lower frequency currently. I am curious if it'll work now, tho I'll lyk. HT was also on then and it seems to significantly worsen stability at higher frequencies, so that may be another factor that is now solved. Hell pcores 5 and 6 may not even need to be capped at 5.5ghz anymore with it off.
Disabling HT usually gives another 100-200MHz at the same load line just because the core pulls less power and runs cooler.
Actually now that you mention it I wonder if the issues may be due to how hyperthreading interacts with an asymmetric all core frequency? I never managed to get that way of doing an all core stable until I turned hyperthreading off despite the cores being able to do it relatively fine when only 4 were underload but then again my llc is very droopy so they're also operating under a decently higher voltage under that scenario. Im sure it's part of the reason tho seeing the extra 20mv did seemingly nothing for stability whatsoever.